scholarly journals Analisis Pengaruh Perubahan Penggunaan Lahan terhadap Debit Sungai (Studi Kasus : Sub DAS Cikeas)

2021 ◽  
Vol 6 (2) ◽  
pp. 121-132
Author(s):  
I Gede Aditya Dharma ◽  
Roh Santoso Budi Waspodo ◽  
Nora Pandjaitan
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
River Discharge ◽  
Catchment Area ◽  
Land Use Changes ◽  
Infiltration Capacity ◽  
Water Catchment Area ◽  
Green Area ◽  
Maximum Discharge ◽  
Water Catchment

Land use change have an impact on infiltration capacity. There is often an annual flood on Kadumanggu District. When the rainfall is high so the river will be overflow. The outlet of Cikeas sub-basin was located on Kadumanggu District. This research aimed to determine the maximum discharge of the Cikeas River and analyze the relation between land use change and discharge of Cikeas River. The research was conducted by delineating the water catchment area, analyzing rainfall, making a land use map and modeling with HEC-HMS. Based on the modeling results, the maximum discharge of the Cikeas River in 2000 was 74.3 m3/s, in 2009 was 84.9 m3/s, and in 2018 was 91.7 m3/s. The catchment area with an extensive use as residential had a higher river discharge compared to the area with a large green area. It meaned that, land use changes greatly affected the river discharge.

scholarly journals Evaluasi Pengaruh Rehabilitasi Lahan Dan Hutan Terhadap Koefisien Aliran Tahunan Di Sub Das Krueng Meuleusong

2021 ◽  
Vol 14 (2) ◽  
pp. 10-18
Author(s):  
Herry Andrisa ◽  
Hairul Basri ◽  
Muhammad Rusdi
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Satellite Imagery ◽  
Catchment Area ◽  
Secondary Forest ◽  
Flow Coefficient ◽  
Secondary Forests ◽  
Water Catchment Area ◽  
Water Catchment ◽  
Forest Rehabilitation

Abstrak. Penelitian ini bertujuan untuk mengetahui pengaruh rehabilitasi lahan dan hutan (RHL) terhadap nilai koefisien aliran tahunan (KAT) di sub-DAS Krueng Meulesong. Pelaksanaan RHL di Desa Riting Kecamatan Indrapuri Kabupaten Aceh Besar yang termasuk dalam DAS Krueng Meuleusong dikategorikan tidak berhasil berdasarkan citra satelit perubahan tata guna lahan tahun 2009, 2014, 2017 dan 2019. Hasil interpretasi citra satelit menunjukkan penurunan luasan hutan sekunder, namun luas perdu dan sabana meningkat. Berdasarkan hasil uji korelasi menunjukkan bahwa pelaksanaan kegiatan RHL tidak berpengaruh terhadap perubahan penggunaan lahan menjadi hutan sekunder dan kegiatan RHL tidak berpengaruh terhadap nilai koefisien aliran tahunan (KAT) di Sub-DAS Krueng Meuleusong.Evaluation Of The Effect Of Land And Forest Rehabilitation On Annual Flow Coefficient In Krueng Meuleusong Sub-WatershedAbstract. This study aims to determine the effect of land and forest rehabilitation (RHL) on the value of the annual flow coefficient (KAT) in the Krueng Meulesong sub-watershed. The implementation of RHL in Riting Village, Indrapuri District, Aceh Besar District which is included in the water catchment area of the Krueng Meuleusong sub-watershed is categorized as unsuccessful based on satellite imagery of 2009, 2014, 2017 and, 2019 of land-use change. The results of satellite imagery interpretation showed a decrease in the area of secondary forest, but shrubs and savanna area had increased. Based on the results of the correlation test, shows that the implementation of RHL activities has no effect on changes in land use to secondary forests and RHL activities have no effect on the value of annual flow coefficient (KAT) in the Krueng Krueng Meuleusong sub-watershed.

scholarly journals DAMPAK PERUBAHAN GUNA LAHAN TERHADAP KEMAMPUAN RESAPAN AIR (KASUS: KOTA SAMARINDA)

2019 ◽  
Vol 15 (1) ◽  
pp. 70 ◽  
Author(s):  
Warsilan Warsilan
Keyword(s):  
Land Use ◽  
Catchment Area ◽  
Infrastructure Development ◽  
City Development ◽  
Water Catchment Area ◽  
East Kalimantan ◽  
City Culture ◽  
Water Catchment ◽  
The Impact

As the capital of the province of East Kalimantan, Samarinda City developments has a rapid progress from year to year. Samarinda City Development has a tendency oriented towards infrastructure development without regard to the existence of the quality of the existing environment. Imbalance of development in Samarinda city is to start decreasing the water catchment area, so its make increasing intensity of flood in the Samarinda City. The purpose of this study was to analyze the impact of changes in land use in the Samarinda city on the ability of the water catchment area. This research method using descriptive approach, the data collection system of primary and secondary. Intensity flood in the Samarinda city  is increasing from year to year, this condition happened as a problem that always occurs during the rainy season. Current development trends, always take an area that should be an infiltration  area for Samarinda City. Culture and inadequate infrastructure conditions such as lack of system of drainage and polder, was another factor causing the high intensity of flood  in Samarinda City. Therefore, the relevant regulations development guidelines for Samarinda  City must consider all aspects of planning, in this case especially the important of a balance of cultivated land and protected areas or zones.Keywords: Changes in land use; intensity of puddles; Samarinda

Perception of Local People on Land Use Change

2021 ◽  
pp. 65-87
Author(s):  
H. M. Paba Herath ◽  
K. W. G. Rekha Nianthi
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Forest Fires ◽  
Catchment Area ◽  
Land Use Changes ◽  
Community Based ◽  
Long Period ◽  
Legal Frameworks ◽  
Effects Of Land Use ◽  
People’S Perceptions

The land use of the Belihuloya catchment area in Sri Lanka has been changing over a long period mainly due to the human activities. The study was aimed to find out the spatial and temporal changes of land use in the Belihuloya Mini Catchment area of 1956 to 2015, and obtain the local people's perception of the effects of land-use changes in Belihuloya. To study the people's perceptions of land use change, a questionnaire survey was conducted among randomly selected 180 households. Aerial data of 1956 and satellite data of 2015 were used to analyze the land use changes. The vegetation cover maps of 1956 and 2015, demonstrated the drastic changes of land use in Belihuloya. More than 50% of the respondents in the study area perceived that the land use has been changing due to the construction activities, forest fires, illegal loggings, pine and tea cultivation and the expansion of built-up areas. The deforestation has badly effected on water resources in the Belihuloya. The reforestation programs, including community-based reforestation programs can be introduced to minimize the impacts. It is necessary to implement existing legal frameworks with supports of different stakeholders to conserve the Belihuloya.

scholarly journals Flood Management Based on The Potential Urban Catchments Case Study Padang City

2021 ◽  
Vol 5 (1) ◽  
pp. 49-54
Author(s):  
Dwi Marsiska Driptufany ◽  
Quinoza Guvil ◽  
Desi Syafriani ◽  
Dwi Arini
Keyword(s):  
Land Use ◽  
Catchment Area ◽  
Water Infiltration ◽  
Geographical Information ◽  
Landsat 8 ◽  
Water Catchment Area ◽  
Catchment Areas ◽  
Wide Range ◽  
Urban Catchments ◽  
Water Catchment

The water catchment area also indirectly impacts on flood control for areas that are lower than it because rainwater does not fall to the lower areas but is absorbed as groundwater. Increased development of Padang City will be inversely proportional to the reduction in water catchment areas and become an area that is impermeable that makes rainwater stagnate on the surface and flood occurs. The development of remote sensing technology and geographic information systems has made it possible to study the spatial patterns of potential water catchment areas in a wide range, including mapping the potential of water catchment areas in Padang City. This study aims to analyze the condition of the availability of water catchment areas for controlling water management and flood disasters in Padang City based on data on spatial parameters such as rainfall data, slope, soil type maps, and land use obtained from Landsat 8 OLI imagery data. This study uses the scoring and overlay method with the Geographical Information System. The results show that the condition of the water catchment area in the western part of Padang City have been critical, reaching 18.29% of the total area of ​​Padang City, this is due to land use that has undergone a change of function. If the water infiltration condition worsens (critical), it gives more opportunities for flooding and inundation. Thus the areas with the potential for water absorption which are categorized as critical and very critical in the research location can be said to be areas that are potentially prone to flooding and inundation, because the ground surface is no longer able to absorb water. Monitoring the potential of water catchment areas is one form of flood mitigation efforts.

scholarly journals PENGARUH PERUBAHAN PENGGUNAAN LAHAN TERHADAP KARAKTERISTIK ALIRAN MASUK (INFLOW) BENDUNGAN BATUTEGI The Effect of Land Use Change on the Inflow Characteristics of Batutegi Dam

2018 ◽  
Vol 6 (1) ◽  
pp. 73
Author(s):  
Eko Supriyadi ◽  
Irwan Sukri Banuwa ◽  
Slamet Budi Yuwono
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Catchment Area ◽  
Descriptive Analysis ◽  
Runoff Coefficient ◽  
Analysis Method ◽  
Dry Land ◽  
Human Need ◽  
Water Catchment ◽  
Total Inflow

Sekampung Hulu Watershed (DAS) is a catchment area for the Batutegi Dam. Changes in land use due to increasement of human need for land can affect the hydrological conditions of Sekampung Hulu Watershed. This research analyzed land use change to inflow characteristic of Batutegi Dam using descriptive analysis method by analyzing rainfall data, land use change data, inflow data and surface coefficient data. The results showed that there had been decreasing of forest area and the increasing of agriculture land, dry land, and shrubland. It affects the increasing of surface coefficient and decreasing of total inflow. The decrease in total inflow of batutegi dam in 2005 was 7.229,92 m3 / sec and in 2015 was 6.846,82 m3 / sec. This is due to the value of surface runoff coefficient in the Sekampung Hulu Watershed which increased in 2005 and 2015 by 0,23 to 0,34. The amount of surface coefficient value in 2005 and 2015 shows that the Sekampung Hulu Basin has been degraded, therefore it is necessary to restore the condition of the forest through reforestation and greening efforts to increase the water catchment area.Keywords: Sekampung Hulu Watershed; Inflow; Land use change.Daerah Aliran Sungai (DAS) Sekampung Hulu merupakan daerah tangkapan air (catchment area) bagi Bendungan Batutegi. Perubahan penggunaan lahan akibat meningkatnya kebutuhan manusia terhadap lahan dapat berpengaruh terhadap kondisi hidrologi DAS Sekampung Hulu. Penelitian ini menganalisis perubahan penggunaan lahan terhadap karakteristik aliran masuk (inflow) Bendungan Batutegi digunakan metode analisis deskriptif dengan cara manganalisis data curah hujan, data perubahan penggunaan lahan, data inflow dan data koefisien aliran permukaan. Hasil penelitian memperlihatkansudah terjadi penurunan luas hutan dan peningkatan luas pertanian lahan kering, pemukiman, dan semak belukar. Hal tersebut berpengaruh terhadap peningkatan koefisien aliran permukaan dan penurunan total inflow. Penurunan total inflow bendungan batutegi tahun 2005 sebesar 7.229,92 m3/detik dan pada tahun 2015 sebesar 6.846,82 m3/detik. Hal tersebut disebabkan oleh nilai koefisien aliran permukaan di DAS Sekampung Hulu yang mengalami peningkatan pada tahun 2005 dan 2015 sebesar 0,23 menjadi 0,34. Besarnya  nilai koefisien aliran permukaan tahun 2005 dan 2015 menunjukkan DAS Sekampung Hulu telah mengalami degradasi, oleh karena itu perlu dilakukan pemulihan kondisi hutan melalui upaya reboisasi maupun penghijauan untuk menambah daerah resapan air.Kata kunci: DAS Sekampung Hulu; Inflow; Perubahan penggunaan Lahan

Analisis Perubahan Tata Guna Lahan di Kabupaten Bantul Menggunakan Metode Global Moran’s I

2017 ◽  
Vol 8 (4) ◽  
Author(s):  
Matheus Supriyanto Rumetna ◽  
Eko Sediyono ◽  
Kristoko Dwi Hartomo
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Spatial Autocorrelation ◽  
Land Use Changes ◽  
Geographical Information ◽  
Moran’S I ◽  
Complete Spatial Randomness ◽  
Moran's I ◽  
Global Moran’S I ◽  
Spatial Randomness

Abstract. Bantul Regency is a part of Yogyakarta Special Province Province which experienced land use changes. This research aims to assess the changes of shape and level of land use, to analyze the pattern of land use changes, and to find the appropriateness of RTRW land use in Bantul District in 2011-2015. Analytical methods are employed including Geoprocessing techniques and analysis of patterns of distribution of land use changes with Spatial Autocorrelation (Global Moran's I). The results of this study of land use in 2011, there are thirty one classifications, while in 2015 there are thirty four classifications. The pattern of distribution of land use change shows that land use change in 2011-2015 has a Complete Spatial Randomness pattern. Land use suitability with the direction of area function at RTRW is 24030,406 Ha (46,995406%) and incompatibility of 27103,115 Ha or equal to 53,004593% of the total area of Bantul Regency.Keywords: Geographical Information System, Land Use, Geoprocessing, Global Moran's I, Bantul Regency. Abstrak. Analisis Perubahan Tata Guna Lahan di Kabupaten Bantul Menggunakan Metode Global Moran’s I. Kabupaten Bantul merupakan bagian dari Provinsi Daerah Istimewa Yogyakarta yang mengalami perubahan tata guna lahan. Penelitian ini bertujuan untuk mengkaji perubahan bentuk dan luas penggunaan lahan, menganalisis pola sebaran perubahan tata guna lahan, serta kesesuaian tata guna lahan terhadap RTRW yang terjadi di Kabupaten Bantul pada tahun 2011-2015. Metode analisis yang digunakan antara lain teknik Geoprocessing serta analisis pola sebaran perubahan tata guna lahan dengan Spatial Autocorrelation (Global Moran’s I). Hasil dari penelitian ini adalah penggunaan tanah pada tahun 2011, terdapat tiga puluh satu klasifikasi, sedangkan pada tahun 2015 terdapat tiga puluh empat klasifikasi. Pola sebaran perubahan tata guna lahan menunjukkan bahwa perubahan tata guna lahan tahun 2011-2015 memiliki pola Complete Spatial Randomness. Kesesuaian tata guna lahan dengan arahan fungsi kawasan pada RTRW adalah seluas 24030,406 Ha atau mencapai 46,995406 % dan ketidaksesuaian seluas 27103,115 Ha atau sebesar 53,004593 % dari total luas wilayah Kabupaten Bantul. Kata Kunci: Sistem Informasi Georafis, tata guna lahan, Geoprocessing, Global Moran’s I, Kabupaten Bantul.

scholarly journals Diversity and ecology of araceae in the water catchment area of Ulu Sat, Kelantan, Peninsular Malaysia

2021 ◽  
Vol 756 (1) ◽  
pp. 012087
Author(s):  
H Zulhazman ◽  
E R Aweng ◽  
M A Mohamad-Faiz ◽  
A Muhamad-Azahar ◽  
H Kamarul-Ariffin ◽  
...  
Keyword(s):  
Catchment Area ◽  
Peninsular Malaysia ◽  
Water Catchment Area ◽  
Water Catchment

scholarly journals Land-Use Change Impacts from Sustainable Hydropower Production in EU28 Region: An Empirical Analysis

2021 ◽  
Vol 13 (9) ◽  
pp. 4599
Author(s):  
Mohd Alsaleh ◽  
Muhammad Mansur Abdulwakil ◽  
Abdul Samad Abdul-Rahim
Keyword(s):  
Carbon Dioxide ◽  
Land Use ◽  
European Union ◽  
Land Use Change ◽  
Carbon Dioxide Emissions ◽  
Energy Production ◽  
Land Use Changes ◽  
Ordinary Least Squares ◽  
The European Union ◽  
Hydropower Production

Under the current European Union (EU) constitution approved in May 2018, EU countries ought to guarantee that estimated greenhouse-gas releases from land use, land-use change, or forestry are entirely compensated by an equivalent accounted removal of carbon dioxide (CO2) from the air during the period between 2021 and 2030. This study investigates the effect of sustainable hydropower production on land-use change in the European Union (EU28) region countries during 1990–2018, using the fully modified ordinary least squares (FMOLS). The results revealed that land-use change incline with an increase in hydropower energy production. In addition, economic growth, carbon dioxide emissions, and population density are found to be increasing land-use changes, while institutional quality is found to be decreasing land-use change significantly. The finding implies that land-use change in EU28 region countries can be significantly increased by mounting the amount of hydropower energy production to achieve Energy Union aims by 2030. This will finally be spread to combat climate change and environmental pollution. The findings are considered robust as they were checked with DOLS and pooled OLS. The research suggests that the EU28 countries pay attention to the share of hydropower in their renewable energy combination to minimize carbon releases. Politicians and investors in the EU28 region ought to invest further in the efficiency and sustainability of hydropower generation to increase its production and accessibility without further degradation of forest and agricultural conditions. The authorities of the EU28 region should emphasize on efficiency and sustainability of hydropower energy with land-use management to achieve the international commitments for climate, biodiversity, and sustainable development, reduce dependence on fossil fuel, and energy insecurity.

scholarly journals Land Use Dynamics and Optimization from 2000 to 2020 in East Guangdong Province, China

2021 ◽  
Vol 13 (6) ◽  
pp. 3473
Author(s):  
Yong Lai ◽  
Guangqing Huang ◽  
Shengzhong Chen ◽  
Shaotao Lin ◽  
Wenjun Lin ◽  
...  
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Landscape Connectivity ◽  
Land Use Changes ◽  
Research Result ◽  
Global Environmental Change ◽  
Ecological Processes ◽  
Buffer Zones ◽  
Conflict Zones ◽  
Land Use Dynamics

Anthropogenic land-use change is one of the main drivers of global environmental change. China has been on a fast track of land-use change since the Reform and Opening-up policy in 1978. In view of the situation, this study aims to optimize land use and provide a way to effectively coordinate the development and ecological protection in China. We took East Guangdong (EGD), an underdeveloped but populous region, as a case study. We used land-use changes indexes to demonstrate the land-use dynamics in EGD from 2000 to 2020, then identified the hot spots for fast-growing areas of built-up land and simulated land use in 2030 using the future land-use simulation (FLUS) model. The results indicated that the cropland and the built-up land changed in a large proportion during the study period. Then we established the ecological security pattern (ESP) according to the minimal cumulative resistance model (MCRM) based on the natural and socioeconomic factors. Corridors, buffer zones, and the key nodes were extracted by the MCRM to maintain landscape connectivity and key ecological processes of the study area. Moreover, the study showed the way to identify the conflict zones between future built-up land expansion with the corridors and buffer zones, which will be critical areas of consideration for future land-use management. Finally, some relevant policy recommendations are proposed based on the research result.

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